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Finding the Third Proportional to 58,806.50 and 129,277

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Solution

The third proportional to 58,806.50 and 129,277 is: 284,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,806.50 : 129,277 = 129,277 : x
  2. Step 2: Convert to fraction form
    58,806.50/129,277 = 129,277/x
  3. Step 3: Cross multiply
    58,806.50x = 129,277 × 129,277
  4. Step 4: Simplify right side
    58,806.50x = 16,712,542,729
  5. Step 5: Solve for x
    x = 16,712,542,729/58,806.50
  6. Step 6: Final answer
    x = 284,195.50

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.